District of Columbia HVAC, Plumbing & Electrical License Requirements

Last updated 2026. Requirements may change — always verify with your state licensing board.

HVAC

Renewal: Biennial
CE hours: Verify with board
Initial cost: ~$175
License types: HVAC Mechanic / HVAC Contractor
Experience: 8,000 hours
Exam: State trade exam
Bond: Not required at state level
Insurance: Workers' comp required with employees; general liability recommended
Reciprocity: No formal reciprocity — verify with board
Board: DC Department of Licensing & Consumer Protection (DLCP)
Website: dlcp.dc.gov

Plumbing

Renewal: Biennial
CE hours: Verify with board
Initial cost: ~$175
License types: Master Plumber
Experience: 8,000 hours
Exam: State plumbing exam
Bond: Not required at state level
Insurance: Workers' comp required with employees; general liability recommended
Reciprocity: No formal reciprocity — verify with board
Board: DC DLCP
Website: dlcp.dc.gov

Electrical

Renewal: Biennial
CE hours: Verify with board
Initial cost: ~$175
License types: Master Electrician
Experience: 8,000 hours
Exam: NEC-based exam
Bond: Not required at state level
Insurance: Workers' comp required with employees; general liability recommended
Reciprocity: No formal reciprocity — verify with board
Board: DC DLCP
Website: dlcp.dc.gov

The District of Columbia licenses HVAC mechanics/contractors, master plumbers, and master electricians through the Department of Licensing & Consumer Protection (DLCP). All three trades require roughly 8,000 hours of experience and renew biennially.

TradesIQ tracks District of Columbia license renewals, CE hours, bonds, and insurance certificates in one dashboard — with automated reminders before anything lapses.

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